There is evidence that as many as 16 different genes could be responsible for eye color in humans; however, the main two genes associated with eye color variation are OCA2 and …

True red eyes are extremely rare globally, but are most prevalent among certain groups: Albinism – Lack of melanin causes translucent irises that reflect red retinal blood vessels. 1 in 17,000 …

Aug 17, 2025 · Among the rarest eye colors are red and violet, primarily observed in individuals with albinism. These eyes, found in less than 0.01% of the population, appear red or pink …

These extremely rare eye colors usually indicate albinism, a genetic condition characterized by a lack of melanin. The reddish or violet appearance is due to visible blood vessels beneath the iris.

Jun 11, 2023 · Red/Violet: Red and violet eyes mainly occur in albinos who lack melanin, the pigment responsible for skin, hair, and eye colors. In the absence of melanin, light scatters or …

1 day ago · While most people are familiar with classic brown or ocean-blue eyes, human eye color extends far beyond what we see every day. From emerald green and amber gold to …

Oct 30, 2024 · Violet and red are unique eye colors caused by an iris with little to no pigment. When light reflects off of the blood vessels in eyes that lack typical pigmentation, the eyes …

Feb 15, 2024 · While the existence of naturally occurring red eye color is a widely debunked myth, there have been rare cases of individuals exhibiting a reddish hue in their eyes due to specific …

Nov 22, 2025 · Red, pink, or violet eyes occur in 0.01% of the global population due to albinism. Green eyes occur in 2% of people and are the rarest naturally occurring eye color. Gray eyes …

Dec 13, 2025 · Pheomelanin is a yellow-red pigment that's behind green or amber eyes, red hair, and freckles. People in countries farther away from the equator tend to have lighter-colored …